Industrial Injection Dodge Performance Valve Springs For 1998.5-2018 Cummins 24 Valve 95 LB - PDM-160-1484S-24The Industrial Injection 95LB Performance Valve Springs were designed with performance in mind. We recommend these valve springs for engines that are pushing over 45psi boost and or 3200rpm. These performance valve springs will help prevent valve float, there for allowing your engine to run more efficiently and make more power safely. Features: Helps Prevent Valve Float Increased Performance Rated up to 95psi Boost Drive Pressure Rated up to 5000rpm